Functions Hours and minutes indicator Movement Automatic mechanical movement, ETA 2892 calibre 42-hour power reserve Hour, minute, and second hands Case Material: 18 kt (750/000) white gold with 500 colorless diamonds, approximately 3.30 ct, VVS-VS, D-G quality Dimensions: 40 mm diameter, 31 mm opening, 9.40 mm thickness Glass: domed sapphire crystal Case back: snap-on sapphire crystal Water resistance: 3 BAR / 3?ATM Dial Black mother-of-pearl dial with Roman numerals and applied indices Baton hands with Super-LumiNova photoluminescent pigments applied Black Louisiana alligator strap Colour: grey